WO2013089359A1 - Structure pour monter une tour de pompe d'un réservoir de stockage de lng et procédé de fabrication de cette structure - Google Patents

Structure pour monter une tour de pompe d'un réservoir de stockage de lng et procédé de fabrication de cette structure Download PDF

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Publication number
WO2013089359A1
WO2013089359A1 PCT/KR2012/009810 KR2012009810W WO2013089359A1 WO 2013089359 A1 WO2013089359 A1 WO 2013089359A1 KR 2012009810 W KR2012009810 W KR 2012009810W WO 2013089359 A1 WO2013089359 A1 WO 2013089359A1
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WO
WIPO (PCT)
Prior art keywords
cover
storage tank
adapter
pump tower
insulation board
Prior art date
Application number
PCT/KR2012/009810
Other languages
English (en)
Korean (ko)
Inventor
전상언
김대중
박성오
이수호
조기헌
황정오
방창선
Original Assignee
삼성중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020110136772A external-priority patent/KR101325706B1/ko
Priority claimed from KR1020120123719A external-priority patent/KR101422513B1/ko
Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to CN201280062307.3A priority Critical patent/CN103998335B/zh
Priority to JP2014545803A priority patent/JP5894677B2/ja
Priority to US14/365,102 priority patent/US10208895B2/en
Priority to EP12857255.9A priority patent/EP2792590B1/fr
Publication of WO2013089359A1 publication Critical patent/WO2013089359A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/06—Closures, e.g. cap, breakable member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/04—Vessels not under pressure with provision for thermal insulation by insulating layers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/02—Containers for fluids or gases; Supports therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0147—Shape complex
    • F17C2201/0157—Polygonal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0345—Fibres
    • F17C2203/035—Glass wool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0358—Thermal insulations by solid means in form of panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • F17C2205/0355—Insulation thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/227—Assembling processes by adhesive means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the present invention relates to a pump tower installation structure of the liquefied natural gas storage tank and a manufacturing method thereof.
  • Liquefied natural gas (LNG) storage tanks of carriers store liquefied natural gas cooled to approximately -163 ° C, and are made of materials that can withstand cryogenic temperatures, and are resistant to thermal stress and heat shrinkage, and insulate structures that can block heat intrusion. Is made of.
  • the storage tank has a primary barrier, an upper insulation board, a secondary barrier, and a lower insulation board in an outward direction from the inside of the tank, and is provided in a state coupled with an inner hull.
  • the storage tank is provided with a pump tower for unloading liquefied natural gas
  • the pump tower is composed of a pipe structure having a plurality of pipes.
  • the pipes of the pump tower are installed in a direction penetrating the upper surface of the storage tank.
  • the lower part of the pipe is disposed so as to face the bottom surface inside the storage tank, the upper part of the pipe protrudes above the storage tank is mounted in a state fixed to the hull side.
  • each pipe of the pump tower is fixed to the outer hull side when fixed to the hull side.
  • Korean Laid-Open Patent Publication No. 10-2011-0026945 (published on March 16, 2011, hereinafter referred to as 'prior document') is a pipe upper part is fixed to the trunk deck (trunk deck) side corresponding to the outer hull finish
  • the technology that mounts a pump tower in a manner has been disclosed.
  • the insulation construction must be additionally performed in the space formed between the outer hull and the inner hull, so that the pipe fixing structure and the fixing work may be complicated.
  • the pipe fixing structure and the fixing work may be complicated.
  • it is difficult to smoothly finish around the secondary barrier disposed between the inner hull and the primary barrier a leak problem may occur.
  • the airtight holding part is exposed outside the outer hull in a state of wrapping the pipe protruding over the outer hull, the space efficiency of the surrounding can be reduced, and it can be easily exposed to various external impacts.
  • An embodiment of the present invention is to provide a pump tower installation structure and a manufacturing method of the liquefied natural gas storage tank that can be efficiently fixed and installed the pipe of the pump tower.
  • the adapter disposed in a predetermined region of the opening formed in the inner hull of the liquefied natural gas storage tank; And a cover disposed in the remaining area of the opening so as to be connected to the adapter and having a through hole corresponding to the pipe of the pump tower installed in the storage tank.
  • a cover disposed in the remaining area of the opening so as to be connected to the adapter and having a through hole corresponding to the pipe of the pump tower installed in the storage tank.
  • the adapter may be provided with a flat plate, one side of the adapter may be connected to the inner hull, and the cover may be disposed in the remaining area of the opening formed between the other side of the adapter and the inner hull.
  • the adapter may be provided in a frame form in which a cover hole portion to which the cover is joined is fixed and installed at a periphery of the opening.
  • the cover may be provided with a heat insulating board for a cover formed in the lower portion of the lower portion of the lower cover, the heat insulating construction can be made in the peripheral portion of the cover.
  • the cover insulation board may include a plurality of insulation blocks, and the insulation block may include a first protection plate, a heat insulation member provided under the first protection plate, and a second protection plate attached to the lower insulation member.
  • An adjusting protective plate attached to the lower portion of the second protective plate by the adhesive layer and the adhesive layer may be provided below the second protective plate.
  • It may further include a heat insulation layer disposed between the lower insulation board and the cover insulation board provided in the lower inner hull.
  • It may further include a vertical finishing portion installed in the vertical direction in the lower portion of the adapter, and an adjustment finishing portion fixed to the vertical finishing portion to be disposed on the same plane as the heat insulating layer.
  • the adjustment finish portion may be provided in a cross-sectional shape ' ⁇ ' shape.
  • connection board may further include a connection board provided under the at least one of the auxiliary secondary barrier and the heat insulation layer.
  • the primary barrier may be stacked on the bottom surface of the cover insulation board, the connection board and the upper insulation board on the same plane.
  • the adapter, the inner hull and the cover may be joined to each other by welding.
  • a method of manufacturing a pump tower installation structure of a liquefied natural gas storage tank may be provided.
  • the adapter may be provided with a flat plate, one side of the adapter may be connected to the inner hull, and the cover may be disposed in the remaining area of the opening formed between the other side of the adapter and the inner hull.
  • the adapter may be provided in a frame form in which a cover hole portion to which the cover is joined is fixed and installed at a periphery of the opening.
  • the step (c) is a step of welding and joining the vertical finishing portion in the vertical direction to the lower portion of the adapter, disposing a heat insulation layer between the lower insulation board and the cover insulation board provided below the inner hull, the same as the heat insulation layer Fixing the adjustment closing portion to the vertical closing portion to be disposed on the plane.
  • the arranging of the heat insulation layer may include attaching a first insulation block of the insulation layer to the lower portion of the adapter so as to contact the vertical finishing portion, and the first insulation block and the lower insulation board or the first insulation block and the cover. It may include disposing a second insulating block of the insulating layer between the insulating board for.
  • Pump tower installation structure and the manufacturing method of the liquefied natural gas storage tank according to an embodiment of the present invention can efficiently fix and install the pipe of the pump tower in the opening formed in the inner hull by the cover and adapter.
  • FIG. 1 is a plan view showing a pump tower installation structure of a liquefied natural gas storage tank according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing a pump tower installation structure of the liquefied natural gas storage tank of FIG.
  • FIG. 3 is a cross-sectional view showing another example of the installation structure of the pump tower of FIG.
  • 4 to 8 are sectional views showing the manufacturing process of the pump tower installation structure of FIG.
  • FIG. 9 is a plan view showing a pump tower installation structure of the liquefied natural gas storage tank according to a second embodiment of the present invention.
  • FIG. 10 is a cross-sectional view showing a pump tower installation structure of the liquefied natural gas storage tank of FIG.
  • FIG. 1 is a plan view showing a pump tower installation structure of a liquefied natural gas storage tank according to a first embodiment of the present invention.
  • Figure 2 is a cross-sectional view showing a pump tower installation structure of the liquefied natural gas storage tank of FIG.
  • the liquefied natural gas storage tank 1 (hereinafter referred to as a "storage tank") according to an embodiment of the present invention has an opening (H) in the inner hull 2 of the upper portion It is formed, and provided with a pump tower installed through the opening (H).
  • the pump tower may typically consist of a pipe structure with a plurality of pipes (P), for example two discharge pipes, one filling pipe and one emergency for unloading liquid cargo. It may be made of a pipe structure having a plurality of pipes (P) including an pipe (emergency pipe).
  • the installation structure of the pump tower of the storage tank 1 according to the embodiment of the present invention for the installation of the pump tower includes an adapter 10, a cover 20, a heat insulating layer 40 and the adjustment closing portion 102.
  • Adapter 10 according to the first embodiment of the present invention is disposed in a predetermined region (S1, see Fig. 4) of the opening (H), one side may be provided as a flat plate connected to the inner hull (2).
  • the adapter 10 is described as an example of being connected to the inner hull 2 on the stern side, but as another example, one side may be connected to the inner hull 2 on the bow side.
  • the inner hull 2 on the stern side may be formed at the corner side of the storage tank 1.
  • the adapter 10 may be manufactured in advance to correspond to the size of the remaining area of the opening H except for the area occupied by the cover 20. This is to effectively solve the tolerance problem between the cover 20 and the inner hull 2 occupying the opening (H).
  • the adapter 10 may be provided of the same material as the inner hull (2).
  • the adapter 10 may be made of a metal material such as stainless steel, for example.
  • the adapter 10 may be disposed on the same plane as the inner hull 2.
  • the cover 20 provides a plurality of through holes 2a corresponding to each pipe P of the pump tower installed in the storage tank 1.
  • the cover 20 may be provided with the through-hole (2a) for the liquid pipe, the valve, the various layer equipment as well as the pipe of the pump tower for the liquid cargo unloading described above.
  • the cover 20 is disposed in the remaining area S2 (see FIG. 4) of the opening H formed between the other side of the adapter 10 and the inner hull 2 on the bow side.
  • the adapter 10, the inner hull 2 and the cover 20 may be joined to each other by welding (W). That is, the contact portion between the inner hull 2 of one side and the stern side of the adapter 10, the other side of the adapter 10 and the cover 20, and the inner hull 2 of the cover 20 and the bow side is welded ( W) are joined.
  • the cover 20 supports the pipe P in a state of closing the opening H, and may be provided as a flat plate having a smaller area than the area of the opening H, for example.
  • the cover 20 may be disposed on the same plane as the adapter 10 and the inner hull 2.
  • the cover 20 is in contact with the other side of the adapter 10 and extends from the first region S3 having the through-hole 2a and the first region S3 to contact the inner hull 2 on the bow side. It may include a second area (S4).
  • the first region S3 is provided with a cover insulation board 30 formed below the opening H.
  • the cover insulation board 30 may be provided in the form of a plurality of insulation blocks.
  • Each of the insulating blocks includes a first protective plate 31 attached to the lower portion of the first region S3 by an adhesive M such as mastic, an insulating member 32 provided under the first protective plate 31, and thermal insulation. And a second protective plate 33 attached to the bottom of the member 32.
  • the cover insulation board 30 is disposed on the same plane as the upper insulation board 70 and the connection board 80 to be described later.
  • the heat insulation layer 40 is disposed between the lower insulation board 50 and the cover insulation board 30 respectively provided below the inner hull 2 on the stern side and the inner hull 2 on the bow side.
  • the lower insulation board 50 provided below the inner hull 2 on the stern side may be disposed at the corner side of the storage tank 1 and extends to a predetermined portion of the lower portion of the adapter 10 to be joined by an adhesive M. Can be.
  • the lower insulation board 50 provided below the inner hull 2 on the bow side may extend to a predetermined portion of the second region S4 of the cover 20 to be bonded by the adhesive M.
  • the auxiliary secondary barrier 62 overlaps the main secondary barrier 61 provided below the lower insulation board 50 and the adjustment dead end portion 102 to form a sealed structure.
  • the primary secondary barrier 61 and the secondary secondary barrier 62 have a very thin thickness and hardly generate a step, and may be disposed on the same plane with each other.
  • connection board 80 is provided under the secondary secondary barrier 62 so as to be interposed between the upper insulation board 70 and the cover insulation board 30 under the primary secondary barrier 61.
  • the above-described heat insulating layer 40 is provided in the form of a plurality of heat insulating blocks (41 ⁇ 43), the other heat insulating block (41 ⁇ 43) both sides of the other heat insulating blocks in contact with the cover heat insulating board 30 and the lower heat insulating board (50).
  • the first insulating blocks 43 surrounded by the 41 and 42 are attached to the adapter 10 and the lower portion of the second region S4 by the adhesive agent M, respectively.
  • the insulating blocks 41 and 42 may be provided in the form of, for example, glass wool.
  • the lower insulation board 50 is disposed between the inner hull 2 and the main secondary barrier 61, and includes a lower protection plate 51 and a lower insulation member 52.
  • the lower protective plate 51 may be made of, for example, a material such as plywood.
  • the lower insulation member 52 is made of, for example, a polyurethane foam (PUF, Polyurethane Form) to protect the hull from the cryogenic fluid.
  • the lower insulation member 52 may be bonded to the lower portion of the lower protective plate 51 by an adhesive (for example, glue).
  • the upper insulation board 70 is disposed between the primary barrier 90 and the main secondary barrier 61, and includes an upper insulation member 72 and an upper protective plate 71.
  • the upper insulation member 72 may be made of the same material as the lower insulation member 52, and the upper protection plate 71 may be made of the same material as the lower protection plate 51.
  • the primary barrier 90 is formed in direct contact with the liquefied natural gas and has a high airtightness, and when the contact with the cryogenic liquefied natural gas occurs, heat shrinkage occurs, and when the heat shrinkage occurs, the welded portion is damaged due to thermal stress. It can be formed to maintain a low in-plane stiffness to prevent it.
  • the primary barrier 90 is formed to have a wrinkled portion 90a, and the wrinkled portion 90a is deformed by a certain amount when heat shrinkage occurs, thereby reducing thermal stress at the welded portion.
  • the primary barrier 90 may be made of a metal material such as stainless steel.
  • the primary secondary barrier 61 and the secondary secondary barrier 62 may be composed of a plurality of sheets made of metal materials such as stainless steel, aluminum, brass, zinc, and the like.
  • the primary secondary barrier 61 may be composed of a composite sheet composed of a metal sheet and a fiber reinforced composite material.
  • connection board 80 includes a connection protection plate 81 and a connection insulation member 82
  • connection insulation member 82 is made of the same material as the lower insulation member 52
  • connection protection plate 81 is It may be made of the same material as the lower protective plate 51.
  • Adjusting the closing portion 102 is fixed to the height adjustable to the vertical closing portion 103 side bonded to the vertical direction in the adapter 10 and the lower cover 20. At this time, the adjustment closing portion 102 is fixedly installed on the vertical finishing portion 103 side to be disposed on the same plane as the peripheral insulating layer (40, 50).
  • the vertical finishing unit 103 may be formed integrally with the adapter 10 and the cover 20 or may be manufactured separately and fixed by welding.
  • the adjustment closing portion 102 may be fixed to the vertical closing portion 103 by welding, the cross-sectional shape may be provided in a ' ⁇ ' shape.
  • the shape of the ' ⁇ ' is not limited to the shape, and the adjustment closing part 102 may be provided in various shapes to be disposed on the same plane as the auxiliary secondary barrier 62.
  • FIG. 3 is a cross-sectional view showing another example of the installation structure of the pump tower of FIG.
  • the above-described cover insulating board 30 is attached to the lower portion of the second protective plate 33 by the adhesive layer 34 and the adhesive layer 34 on the lower portion of the second protective plate 33 as another example.
  • An adjustable protective plate 36 may be included. This is to allow the cover insulation board 30 and the connection board 80 to be disposed on the same plane by adjusting the height using the adjusting protective plate 36 before the adhesive layer 34 is cured.
  • 4 to 8 are sectional views showing the manufacturing process of the pump tower installation structure of FIG.
  • the adapter 10 having one side connected to the inner hull 2 on the stern side is disposed in the predetermined region S1 of the opening H.
  • the inner hull 2 on one side and the stern side of the adapter 10 may be joined by welding.
  • the lower insulation board 50, the main secondary barrier 61, and the upper insulation board 70 are provided in the corner of the inner hull 2 side of a stern side.
  • the inner side surfaces of the lower insulation board 50, the main secondary barrier 61, and the upper insulation board 70, which are installed at the corners of the storage tank 1, may be curved to prevent concentration of stress. have.
  • a cover insulation board 30 is provided at the lower portion, and extends from the first region S3 and the first region S3 in which the through hole 2a is formed, and is located on the side of the bow.
  • the cover 20 including the second area S4 in contact with the inner hull 2 is disposed in the remaining area S2 of the opening H.
  • the adapter 10, the cover 20 and the inner hull 2 may be joined by welding a portion that is in contact with each other.
  • the cover 20 may be installed in a state in which the insulating block B (see FIG. 7) in contact with the interface of the adapter 10 is removed. The effect is to prevent damage to the insulation by the heat of welding.
  • the vertical finishing portion 103 is bonded to the adapter 10 and the lower cover 20.
  • At least one barrier installation work and a heat insulation work are performed at the periphery of the cover insulation board 30.
  • the lower insulation board 50, the main secondary barrier 61, the upper insulation board 70 is installed below the inner hull 2 on the bow side.
  • a heat insulation layer 40 is disposed between the lower insulation board 50 and the cover insulation board 30 provided below the inner hull 2 on the stern side and the inner hull 2 on the bow side.
  • the first insulating block 43 of the heat insulating layer 40 is attached to the lower portion of the second region S4 of the adapter 10 and the cover 20 by the adhesive agent M so as to contact the vertical finishing part 103. Let's do it.
  • another heat insulating block 41 of the heat insulating layer 40 is disposed between the first heat insulating block 43 and the lower heat insulating board 50.
  • the first insulating block is fixed in the state in which the adjustment block 102 is fixed to the vertical finish section 103 side, and the insulating block (B) in contact with the interface of the adapter 10 of the cover insulating board 30 is installed.
  • the remaining insulation block 42 of the insulation layer 40 is disposed between the 43 and the insulation block B of the insulation board 30 for the cover.
  • the secondary secondary barrier 62 is bonded to the primary secondary barrier 61 and the adjustment closing portion 102 under the lower insulation board 50.
  • the secondary secondary barrier 62 is interposed between the upper insulation board 70 and the cover insulation board 30 below the primary secondary barrier 61 so as to be coplanar with the upper insulation board 70. Place the connection board 80 at the bottom.
  • the primary barrier 90 is laminated on the lower surface of the cover insulation board 30, the connection board 80, and the upper insulation board 70 on the same plane.
  • the insulation structure of the storage tank 1 in the inner hull 2 may be effectively finished by heat insulating the periphery of the cover insulation board 30 under the cover 20 formed under the opening H.
  • FIG. 9 is a plan view showing a pump tower installation structure of the liquefied natural gas storage tank according to a second embodiment of the present invention.
  • 10 is a cross-sectional view illustrating a pump tower installation structure of the liquefied natural gas storage tank of FIG. 9.
  • the adapter 10 according to the second embodiment of the present invention is provided in the form of a frame formed with a cover hole portion (C) to which the cover 20 is bonded, the inner hull (2) It is fixedly installed at the periphery of the opening portion H.
  • the adapter 10 may be joined to the periphery of the opening H (that is, the inner hull 2) by welding (W).
  • the cover hole portion C formed in the adapter 10 is provided in a through shape corresponding to the cover 20.
  • the cover hole part C corresponds to the remaining area of the opening H except for a predetermined area that the adapter 10 occupies in the opening H.
  • the adapter 10 arranges the cover 20 toward the central portion of the opening H of the inner hull 2, and then the area of the opening H that is not covered by the cover 20, that is, around the cover 20. And the residual area between the opening and the opening (H) can be manufactured by a post-work to have a size corresponding to this.
  • the cover 20 may be welded (W) bonded to the cover hole portion C of the adapter 10 in a state where the adapter 10 is fixed to the periphery of the opening H.
  • Cover 20 is provided with a heat insulating board 30 for the cover formed in the lower side of the opening (H) as in the above-described Fig. 1, 2.
  • the insulation board is made around the insulation board 30. That is, the adapter 10 is disposed in the opening H, and the cover 20 is bonded to the cover hole portion C of the adapter 10, and then at least one barrier is installed at the periphery of the cover insulation board 30. Insulation construction process is carried out to perform work and insulation work.
  • the cover 20 may be supported in a state in which the opening H of the inner hull 2 is closed by the adapter 10 structure. At this time, the plurality of pipes (P) provided in a fixed state on the cover 120 is fixed to the inner hull 2 side is mounted in a state standing up inside the storage tank (1).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention porte sur une structure pour monter une tour de pompe d'un réservoir de stockage de LNG et sur un procédé de fabrication de cette structure. La structure pour monter une tour de pompe d'un réservoir de stockage de LNG selon un mode de réalisation de la présente invention comprend : un adaptateur disposé dans une région prédéterminée d'une ouverture qui est formée dans une coque intérieure d'une partie supérieure du réservoir de stockage de LNG ; et un couvercle muni d'un trou traversant qui correspond au tube d'une tour de pompe montée sur le réservoir de stockage, et disposé dans la région restante de l'ouverture de manière à être relié à l'adaptateur.
PCT/KR2012/009810 2011-12-16 2012-11-20 Structure pour monter une tour de pompe d'un réservoir de stockage de lng et procédé de fabrication de cette structure WO2013089359A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201280062307.3A CN103998335B (zh) 2011-12-16 2012-11-20 液化天然气贮存罐的泵塔设置结构体及其制造方法
JP2014545803A JP5894677B2 (ja) 2011-12-16 2012-11-20 液化天然ガス貯蔵タンクのポンプタワー設置構造体及びその製作方法
US14/365,102 US10208895B2 (en) 2011-12-16 2012-11-20 Pump tower installation structure of liquefied natural gas storage tank and manufacturing method thereof
EP12857255.9A EP2792590B1 (fr) 2011-12-16 2012-11-20 Structure pour monter une tour de pompe d'un réservoir de stockage de lng et procédé de fabrication de cette structure

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020110136772A KR101325706B1 (ko) 2011-12-16 2011-12-16 액화천연가스 저장 탱크의 펌프타워 설치 구조
KR10-2011-0136772 2011-12-16
KR10-2012-0123719 2012-11-02
KR1020120123719A KR101422513B1 (ko) 2012-11-02 2012-11-02 액화천연가스 저장탱크의 펌프타워 설치구조

Publications (1)

Publication Number Publication Date
WO2013089359A1 true WO2013089359A1 (fr) 2013-06-20

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PCT/KR2012/009810 WO2013089359A1 (fr) 2011-12-16 2012-11-20 Structure pour monter une tour de pompe d'un réservoir de stockage de lng et procédé de fabrication de cette structure

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Country Link
US (1) US10208895B2 (fr)
EP (1) EP2792590B1 (fr)
JP (1) JP5894677B2 (fr)
CN (1) CN103998335B (fr)
WO (1) WO2013089359A1 (fr)

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CN107351978B (zh) * 2017-05-15 2019-02-01 沪东中华造船(集团)有限公司 一种lng船液穹区域的绝缘填充方法
FR3093786B1 (fr) * 2019-03-15 2023-03-24 Gaztransport Et Technigaz Paroi de cuve comprenant une isolation améliorée autour d’une traversée
KR102211324B1 (ko) * 2019-04-16 2021-02-04 한국가스공사 내조의 인양이 가능한 액화 가스 탱크 및 액화 가스 탱크에서 내조의 인양 방법
FR3106193B1 (fr) * 2020-01-10 2023-11-24 Gaztransport Et Technigaz Installation de stockage pour gaz liquéfié
CN112158310B (zh) * 2020-04-30 2022-12-13 沪东中华造船(集团)有限公司 一种lng船泵塔定位安装方法
FR3110669A1 (fr) * 2020-05-20 2021-11-26 Gaztransport Et Technigaz Installation de stockage pour gaz liquéfié
FR3112586B1 (fr) * 2020-07-16 2022-07-01 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante.
FR3112585B1 (fr) * 2020-07-16 2022-09-02 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante.

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CN103998335A (zh) 2014-08-20
EP2792590A1 (fr) 2014-10-22
CN103998335B (zh) 2016-10-05
EP2792590B1 (fr) 2020-01-08
US20150033769A1 (en) 2015-02-05
JP5894677B2 (ja) 2016-03-30
EP2792590A4 (fr) 2016-02-10
US10208895B2 (en) 2019-02-19
JP2015501756A (ja) 2015-01-19

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